What is an interjection? Oh, my! Youâll find the answer inside this bookâitâs packed with interjections. Dear me! Brian P. Clearyâs playful rhymes and Brian Gableâs humorous illustrations creatively clarify the concept of interjections for young readers. Indeed! Interjections appear in color for easy identification, and comical cats reinforce each idea. Cool! Whoa! Ah and Oh!: What Is an Interjection? turns traditional a grammar lessons on end. Read this book aloud and share in the delight of the senseâand nonsenseâof words.